Mathematics

Find the value of unknown x in the following diagram.

SOLUTION

In $\Delta XYZ$,
$\angle ZXY+\angle XYZ+\angle YZX=180^o$ [By angle sum property of a triangle]
$\Rightarrow 30^o+110^o+x=180^o$
$\Rightarrow x+140^o=180^o$
$\Rightarrow x=180^o-140^o=40^o$. You're just one step away

Subjective Medium Published on 09th 09, 2020
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